1.
Answer
a.
Give any three
system-dependent, and three system-independent graphics file formats.
b.
GIF uses 8-bits to
represent each pixel. What do these 8-bit values represent?
2.
Answer
a.
What is aspect ratio? Does it convey the actual physical dimensions?
b.
What is the order of
human sensitivity to the various components of light?
3.
Answer
a.
What is the primary
advantage of the YIQ color model over the YUV model?
b.
Most light we see is
comprised of multiple wavelengths in the range _____nm to _____nm.
4.
Answer true or false
a.
The human eye is more
sensitive to luminance (brightness) than to color.
b.
Rods are sensitive to
color and cones are sensitive to light intensity.
c.
Dithering is monochrome
that gives the illusion of grayness.
d.
In the YUV model, U is
given by B-Y and, V is given by R-Y (this statement is true). Therefore, it implies that the model ignores the
green component.
e.
PNG’s 2-D interlacing
renders the image faster than GIFs
1-D interlacing.
f.
Videos and Images use
different color models